/**
 * axios二次封装
 */
import axios from "axios";
import config from './../config'
import { ElMessage } from 'element-plus';
import router from "./../router";
import storage from "./storage"

const TOKEN_INVALID = 'Token认证失败，请重新登录';
const NETWORK_ERROR = '网络请求异常，请稍后重试';
//创建 axios实例对象，添加全局配置
const service = axios.create({
    baseURL: config.baseURL,
    timeout: 8000
})

// 请求拦截
service.interceptors.request.use((req)=>{
    const headers = req.headers;
    const { token = "" } = storage.getItem('userInfo') || {};
    if (!headers.Authorization) headers.Authorization = 'Bearer ' + token
    return req;
})

// 响应拦截
service.interceptors.response.use((res)=>{
    const { errno,data,msg,errmsg } = res.data;
    if (errno === 0) {
        return data;
    } else if (errno === 401) {
        ElMessage.error(TOKEN_INVALID)
        setTimeout(()=>{
            router.push('/auth/user').then(r => {return r})
        },1500)

        return Promise.reject(TOKEN_INVALID)
    } else {
        ElMessage.error(errmsg||NETWORK_ERROR)
        return Promise.reject(TOKEN_INVALID)
    }
})

/**
 * 请求核心函数
 * @param options 请求配置
 */
function request(options) {
    options.method  = options.method || 'get'
    if (options.method.toLowerCase() === 'get') {
        options.params = options.data;
    }

    if (config.env === 'prod') {
        service.defaults.baseURL = config.baseApi
    } else {
        service.defaults.baseURL = config.mock ? config.mockApi : config.baseApi
    }
    return service(options)
}

export default request;

